host: we are talking to jon jarvis about the state of national parks. get involved in the information. number numbers on the bottom of the screen. you can also get in touch by e-mail and twitter. there's the commemoration of bull run. these do not happen on national parks. guest: beginning this last april, we began the 150th commemoration of the events leading up to and through the entire civil war, so the first battle of bull run was the first major battle in the civil war and occurred just 26 miles south of here. a little west of washington d.c. and so on thursday of this past week, we had a commemoration in virginia, me and a variety of folks that really talked in detail about the transformative effect of the civil war on this country. this was a battle that no one thought would be more than a skirmish. people took their picnic baskets down to watch a shot little fight. turned out they were 5000 casualties. this was a seminole moment in the course of history and leading up to civil rights in this country. we do not allow these re-enactments on the pa